Electronic timer



FIG. 1 is a top and left front perspective view of an electronic timer showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear perspective view thereof in a standing position;

FIG. 6 is a left side elevational view thereof in a clip-on position;

FIG. 7 is a right side elevational view thereof in an adhered position.

The broken line showing in FIGS. 6 and 7 are environmental only and form no part of the claimed design. 

The ornamental design for an electronic timer, as shown and described. 